olderthandirt, if you asking how to connect the John Deere regulator, then
Go to THIS THREAD and scroll down to posts 52 and 53 and 62.
Go to THIS THREAD and scroll down to posts 52 and 53 and 62.
Scott; Why then when I did check as outlined by Van's did the alternator show 13+ and the output to battery show 6volts...if it was a loose wire...as for warrenty, CPS said it was Van's responsibility and Van's said it was CPS responsilbilty...think we are talking to different worlds???
olderthandirt,
You posted above that the output to battery was 6 volts. There has to be some kind of wiring problem or blown fuse to have only 6 volts. The battery obviously has 12 volts because it started the engine. Since the battery is connected to the regulator when the master switch is on, there should be 12 volts at the regulator whether the regulator is working or not.
It looks like Scott is right as usual when he said, "the probability of it being something else is higher".
That is the problem with writing instead of face to to face talking, there is more chance of misunderstanding.I think he meant to say 6 amps...
Scott; Today I went to plane and put regulator back in with a dedicated ground to chassis...made sure all connections secure and went flying...still shows a =6amp draw and battery went from 12.4 to 12.2 on short flight...think this regulator is toast even though it has been in service less than two hours...when new regulator comes I surely hope it solves this problem or what then??? As for warranty Josh at CMS said Van's was responsible for warranty claim and Van's said CMS was responsible for warranty claim...think no one wants to own up to covering a brand new regulator failing..
Scott; the draw on EFIS is -6amps...and when first starting out the battery shows 12.4 volts..then after short flight it shows12.2 volts..so charging is not keeping up with draw??
Scott; the draw on EFIS is -6amps...and when first starting out the battery shows 12.4 volts..then after short flight it shows12.2 volts..so charging is not keeping up with draw??
But when the amps go to -6 or so and the battery voltage starts dropping below 12 volts at moderate rpm settings, you likely have a failed VR. YMMV
When I tested the VR I tied plane down and ran engine slightly above idle, put voltage meter on AC and tested yellow wires..found out put to be 13.9 volts AC...then checked white wires and they were showing 6 volts..maybe I forgot to switch from AC?? Yesterday I installed new VR and it shows in flight on EFIS 12.4 volts and below that -6 amps draw with everything on but landing lights...battery did not go down this time after flying for .75 hours...thanks to everyone for all the help..
I would agree....
Unless it is a newly completed airplane where the charging system has not yet worked.
Wires "R" and "+B" have previously been spliced together in Van's harness.
Only one of them is connected to the John Deere regulator. Insulate the
other one.
You guys are the best, I will do as suggested..after talking to Rotax dealer hear in Northwest, he said he thought everything was normal...even the -6 volt reading on EFIS amp widget..maybe I can sleep tonight..thanks to all for help..Dick
Dick,
I and others want to help but we need more information like the results from the tests that I suggested in post 157 and the voltage at high RPM that KALEWIS asked for in post 170. We need to know where both meter leads are connected for the voltage tests. And we need to know what the conditions are, engine on or off, RPM, master on or off, what electrical loads are on. The more information that we have, the easier it will be to solve the problem.
12.4 volts and negative 6 amps is not normal at higher RPM.
Have you checked the fuses?
Dick,
...Measure the AC voltage between the two big yellow wires, not to ground. I predict that the AC will be fine because either the alternator works or it doesn't. It is unlikely to generate half voltage.
After checking the AC, switch the meter to DC and connect the black meter lead to the regulator case and measure the voltage on the other 3 terminals where the two big white wires and small yellow wire are connected. Tell us what you get.